6 Piece Combined Drill Tap and Countersink Set with 1/4" Quick Change Hex Shank TDC6F-SET

6 Piece Set Includes Sizes: 6-32 NC, 8-32 NC, 10-24 NC, 10-32 NF, 12-24 NC and 1/4-20 NC. Combination Drill Bit, Tap and Countersinks streamline your work by drilling a hole, tapping threads, and creating a countersink in one easy step. This all-in-one functionality ensures screws sit flush with the surface, preventing material swelling and providing a clean, professional finish. Made from high-speed steel with a bright finish, these tools offer excellent durability and wear resistance. Designed for general-purpose use, they perform reliably in a range of materials, including ferrous and nonferrous metals, making them a versatile and efficient choice for any project.